Найдите координаты вектора \(\displaystyle 2\overrightarrow {a}- \frac{1}{2}\overrightarrow {b}\small.\)
Координаты вектора \(\displaystyle 2\overrightarrow {a}- \frac{1}{2}\overrightarrow {b}{:}\)
\(\displaystyle (\)[ ]\(\displaystyle ;\)[ ]\(\displaystyle )\)